Mobi Products Headphone Mic Adapter (3.5mm to 3.5mm)

This adapter adds a microphone to any standard 3.5mm music headphones for hands-free calling!

The adapter provides a 36 inch cord with a shirt clip and a control box that features built-in one-touch, microphone, and volume control.

This hands free mechanism allows you to listen to MP3's, to be alerted of incoming calls, to answer and hang up calls with a one-touch button, and to adjust the loudness of music or calls with the aid of the built-in volume control.